iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/windowing/configuration/SlidingSizeWindowConfiguration.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.utils.windowing.configuration;

import org.apache.iotdb.db.utils.windowing.exception.WindowingException;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;

public class SlidingSizeWindowConfiguration extends Configuration {

  private final int windowSize;
  private final int slidingStep;

  public SlidingSizeWindowConfiguration(TSDataType dataType, int windowSize, int slidingStep) {
    super(dataType);
    this.windowSize = windowSize;
    this.slidingStep = slidingStep;
  }

  public SlidingSizeWindowConfiguration(TSDataType dataType, int windowSize) {
    super(dataType);
    this.windowSize = windowSize;
    this.slidingStep = windowSize;
  }

  @Override
  public void check() throws WindowingException {
    if (windowSize <= 0) {
      throw new WindowingException(
          String.format("Parameter windowSize(%d) should be positive.", windowSize));
    }
    if (slidingStep <= 0) {
      throw new WindowingException(
          String.format("Parameter slidingStep(%d) should be positive.", slidingStep));
    }
  }

  public int getWindowSize() {
    return windowSize;
  }

  public int getSlidingStep() {
    return slidingStep;
  }
}